黑龙江省东部地区华支睾吸虫病流行病学调查

目的:了解黑龙江省东部华支睾吸虫病流行情况,为制定有效的防治措施提供依据。方法:采用病原学和免疫学检查方法,分片调查人群及中间宿主、保虫宿主的感染情况。结果:共检查了9个县1个市9016人次,感染率为6.96%~66.85%,平均31.5%;检查了15种416尾鱼,发现9种255尾鱼感染了华支睾吸虫囊蚴,鱼感染率为61.3%,野生小鱼感染度最高,达100%;保虫宿主除猫、狗、猪等动物外,长毛兔也可感染华支睾吸虫。结论:黑龙江省东部是华支睾吸虫病的重流行区,应积极采取合理的防治措施。

Epidemic investigation of Clonorchiasis in the eastern area of Heilongjiang province

Aim: To investigate epidemic cases of Clonorchiasis in the eastern area of Heilongjiang province in order to provide the basis for effective preventation measure. Method: Aetiological and immunological studies were conducted in infected cases, intermediate hosts and reservoir hosts in different areas. Results: In a total of 9016 cases in 9 countries and 1 city examined,the infection rate was 6.96%~66.85%, averaging 31.5%. By examining 416 fish of 15 species,we found that 255 fish of 9 species werinfected encysted metacercarias of Clonorchis sinensis. The infection rate of fish was 61.3%. The infection rate of wild fish was 100%, showing the highest.Reservoir hosts included long hair rabbits besides cats, dogs,pigs and so on, which could infectClonorchis sinensis. Conclusion: The eastern area of Heilongjiang province was the serious epidemic area of Clonorchiasis.The reasonable prophylaxis should be taken actively.